Asus A8S-X 1.5.1 Motherboard layout

1.5Motherboard overview

1.5.1 Motherboard layout

18.3cm (8.6in)

PS/2KBMS

T:Mouse

B:Keyboard

SPDIF_O	PORTPARALLEL
SPDIF_O		ATX12V
		ATX12V

COM1

		USB12					USBPW12
							USBPW34
							USBPW34

Bottom: Top:

USB3USB4 RJ-45

EATXPWR

Top:Line In

Center:Line Out

Below:Mic In

AUX

AAFP

AD1986A

PWR_FAN

Socket 939

SiS 756

PCIEX16

CPU_FAN

bit,184-pin module)

DIMM A1 (64

DIMM A2 (64

DIMM B1 (64

DIMM B2 (64

DDR2

(12in)

SEC IDE

30.5cm

CHA_FAN

PCIEX1_1

PCIEX1_2

SiS

IntelA8S-X965L 82540EM

PCI1

PCI2

USB56 USB78

ITE

IT8712FAPCI3

USBPW78

GAME FLOPPY USBPW56

		PRI IDE
		R
	SATA2 SATA1
	4Mbit
	BIOS
		CR2032 3V
		Lithium Cell
SB PWR	CLRTC CMOS Power
SB PWR	CHASSIS	PANEL
		PANEL

1-6	Chapter 1: Product introduction

Contents

Page E2123 First Edition July Chapter 1: Product introduction IRQ assignments for this motherboard Chapter 2: BIOS Information 2.1 Managing and updating your BIOS 2.1.1 Creating a bootable floppy disk 2.1.2 Using AFUDOS to update the BIOS 2.1.3 Using AFUDOS to copy BIOS from PC Chapter 3: Software support 3.2.1 Running the support CD Where to find more information Electrical safety Operation safety Conventions used in this guide Typography Page Page Page Thank you for buying the ASUS® A8S-Xmotherboard Check your motherboard package for the following items 1 x Ultra DMA 133/100/66 cables 1 x Serial ATA cable 1 x Serial ATA power cable 1.3.1 Product Highlights 1.3.2 Unique ASUS features Onboard LED 1.5.1 Motherboard layout 1.5.2 Placement direction 1.5.3 Screw holes 1.6.1 Overview 1.6.2 Installing the CPU 1.7.1 DIMM sockets location 1.7.2Memory configurations 1.7.3 Installing a DIMM Standard interrupt assignments 1.8.2 IRQ assignments for this motherboard 1.8.3 PCI slots 1.8.4 PCI Express x1 slot 1.8.5 PCI Express x16 slot 1.Clear RTC RAM (CLRTC) To erase the RTC RAM: 1.Turn OFF the computer and unplug the power cord 3.Plug the power cord and turn ON the computer Hold down the 2.USB device wake-up (3-pinUSBPW12, USBPW34, USBPW56, USBPW78) 1.10.1 Rear panel connectors 1.10.2 Internal connectors 3.ATX power connectors (24-pinATXPWR, 4-pinATX12V) 4.Internal audio connectors (4-pinCD, AUX) 5.CPU and chassis fan connectors (3-pinCPU_FAN, CHA_FAN, PWR_FAN) 6.USB header (10-1pin USB56, USB78) 7.Chassis intrusion connector (4-1pin CHASSIS) 8.GAME/MIDI connector (16-1pin GAME1) 9.Serial ATA connectors (7-pinSATA1, SATA2) 10.Front panel audio connector (10-1pin AAFP) 12.System panel connector (10-1pin PANEL) This connector accommodates several system front panel functions •System Power LED Lead (Green 3-pinPLED) •System Warning Speaker Lead (Orange 4-pinSPEAKER) •Reset Switch Lead (Blue 2-pinRESET) Page DOS environment Windows® XP environment Windows® 2000 environment 2.1.2 Using AFUDOS to update the BIOS 2.1.3 Using AFUDOS to copy BIOS from PC 2.1.4 Using ASUS EZ Flash to update the BIOS 2.1.5 Recovering the BIOS with CrashFree BIOS 2. When the BIOS update process is complete, reboot the system To recover the BIOS from the support CD: Place the support CD in the <Ctrl+Alt+Delete 2.2.1 BIOS menu screen 2.2.2 Menu bar 2.2.3 Navigation keys 2.2.4 Menu items 2.2.5 Sub-menuitems 2.2.6 Configuration fields 2.2.7 Pop-upwindow 2.2.8 Scroll bar 2.3.1 System Time [xx:xx:xx] 2.3.2 System Date [Day xx/xx/xxxx] 2.3.3 Legacy Diskette A [1.44M, 3.5 in.] 2.3.4 Language [English] Type [Auto] LBA/Large Mode [Auto] Block (Multi-sectorTransfer) [Auto] PIO Mode [Auto] DMA Mode [Auto] 2.3.6 Onboard PCI S-ATAController [Native] 2.3.7 System Information 2.4.1 JumperFree Configuration 2.4.2 USB Configuration 2.4.3 CPU Configuration 2.4.4 Chipset CAS Latency (CL) [Auto] TRAS [Auto] TRP [Auto] TRCD [Auto] TRRD [Auto] TRFC [Auto] TRWT [Auto] 2.4.5 Onboard Devices Configuration Serial Port Mode [Normal] EPP Version [1.9] ECP Mode DMA Channel [DMA3] Onboard LAN Boot ROM [Disabled] 2.4.6 PCI PnP 2.4.7 AMD Cool ‘N Quiet Configuration 2.5.1 Suspend Mode [S1 & S3 (STR)] 2.5.2 Repost Video On S3 Resume [No] 2.5.3 ACPI 2.0 Support [No] 2.5.4 ACPI APIC Support [Enabled] 2.5.5 APM Configuration 2.5.6 Hardware Monitor 2.6.1 Boot Device Priority 2.6.2 Boot Settings Configuration 2.6.3 Security User Access Level (Full Access] No Access prevents user access to the Setup utility Change User Password Installed To set a User Password: Exit & Save Changes Exit & Discard Changes Discard Changes Load Setup Defaults <F5 Exit & Save Changes Page 3.2.1 Running the support CD 3.2.2 Drivers menu 3.2.3 Utilities menu ASUS PC Probe Install ASUS Update ASUS Screen Saver ASUS Cool’n’Quiet Utility Acrobat Reader 3.2.4 Make Disk 3.2.5 Manual 3.2.6 ASUS Contact Information